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1P-ETH-LAD Structural Formulae V2.svg
Clinical data
Routes of
Legal status
Legal status
Pharmacokinetic data
Metabolism Hepatic
Excretion Renal
PubChem CID
  • 119025859
  • 52085137 ☑Y
  • HA76076A0R
Chemical and physical data
Formula C24H31N3O2
Molar mass 393.53 g·mol−1
3D model (JSmol)
  • Interactive image

1P-ETH-LAD (1-propionyl-6-ethyl-6-nor-lysergic acid diethyamide) is an analog of LSD. 1P-ETH-LAD is a psychedelic drug similar to LSD. Research has shown formation of ETH-LAD from 1P-ETH-LAD incubated in human serum, suggesting that it functions as a prodrug.[1] It is part of the lysergamide chemical class. Like ETH-LAD, this drug has been reported to be significantly more potent than LSD itself, and is reported to largely mimic ETH-LAD's psychedelic effects.

1P-ETH-LAD has little history of human usage before January 2016.

Legal issues

  • United States: 1P-ETH-LAD may be considered illegal in the U.S. for human consumption under the Federal Analogue Act.
  • United Kingdom: It is illegal to produce, supply, or import this substance under the Psychoactive Substance Act, which came into effect on May 26th, 2016.[2]

See also


  1. ^ Brandt, Simon D; Kavanagh, Pierce V; Westphal, Folker; Elliott, Simon P; Wallach, Jason; Stratford, Alexander; Nichols, David E; Halberstadt, Adam L (2017). "Return of the lysergamides. Part III: Analytical characterization of N6-ethyl-6-norlysergic acid diethylamide (ETH-LAD) and 1-propionyl ETH-LAD (1P-ETH-LAD)". Drug Testing and Analysis. 9 (10): 1641. doi:10.1002/dta.2196. PMID 28342178.
  2. ^ Psychoactive Substances Act 2016 (Legislation.gov.uk) | http://www.legislation.gov.uk/ukpga/2016/2/contents/enacted

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